Herman Grooten vs Thomas Beerdsen
Herman Grooten (68, IM, NED) and Thomas Beerdsen (28, GM, NED) have met 2 times in classical OTB plus 3 rapid/blitz games. Beerdsen leads the classical series 2–0 (0 draws). With current classical ratings of 2175 and 2518, the Elo model gives Beerdsen a 79% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2175 vs 2518 (Δ -343)
With Herman Grooten as white
8% Herman13% draw79% Thomas
With Thomas Beerdsen as white
5% Herman11% draw84% Thomas
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Herman Grooten | Thomas Beerdsen | |
|---|---|---|
| Current rating (STD) | 2175-4 | 2518-6 |
| Peak rating | 2408 · Jan 2003 | 2538 · Jun 2025 |
| Peak age | 45 | 27 |
| World rank now | #9,590 | #471 |
| World rank peak | #1,856 | #391 |
| Federation rank now | #336 | #15 |
| Games (career, STD) | 617 | 1,690 |
| Months active | 217 | 181 |
| % white wins | 51% | 57% |
| % black wins | 47% | 50% |
| TPR last 12m (STD) | 2170 | 2485 |
| Activity 12m (games) | 144 | 195 |
Best Win
Herman Grooten
Thomas Beerdsen
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Herman Grooten
Thomas Beerdsen